Optical glasses



FIG. 1 is a top plan view of optical glasses showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left-side elevational view thereof, the right side being a mirror image of FIG. 5; and

FIG. 6 is a bottom, right and rear perspective view thereof. 

The ornamental design for optical glasses, as shown and described. 